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. 2016 May 9;7:666. doi: 10.3389/fmicb.2016.00666

FIGURE 1.

FIGURE 1

Graphical illustration of groundwater wells in the Hainich Critical Zone Exploratory (Hainich CZE) at site H3 (located in grassland/pasture), H4 and H5 (located in agriculture/cropland) with their distances from the surface. The illustration is 4X vertically exaggerated. Groundwater samples were collected and analyzed from the sampling sites; H31, H41, and H51 (in Hainich transect lower – HTL aquifer assemblage) and H32, H43, H52, and H53 (in Hainich transect upper – HTU aquifers assemblage). Adapted base figure from Küsel et al. (2016).